Keystones — Capstone
Five GCSE retrieval questions · 10 January 2022 · mathsvault.uk/keystones
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1. Number
The sum of three consecutive numbers is 99. What are the numbers?
Answer: 32, 33, and 34 -
2. Algebra
Simplify: 10x - 5x + 10y - 3y
Answer: 5x + 7y -
3. Geometry
Adjacent = 25cm, hypotenuse = 30cm. Find the angle
Answer: 33.6° -
4. Ratio
Calculate 17.1% of 380
Answer: 64.98 -
5. Statistics
A spinner has 2 red, 2 blue and 2 green sections. Probability of landing on red?
Answer: 1⁄3